MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox' yellow City Connect uniforms are good luck, so they'll keep wearing them – NBC Sports Boston
Every MLB City Connect jersey, ranked with a tierlist after new releases
Why are the Red Sox wearing yellow? Explaining Boston's MLB City Connect uniforms for 2023
Ranking the 2021 MLB Nike City Connect Jerseys - Diamond Digest
Miami Marlins Debut Nike City Connect Jerseys
Logos and uniforms of the Boston Red Sox - Wikipedia
City Connect - Wikipedia
Why do the Red Sox wear yellow jerseys?
Red Sox release Patriots Day-inspired City Connect Uniforms
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
LOOK: Red Sox unveil yellow, Boston Marathon-inspired 'City Connect' jerseys for 2021 season
Red Sox unveil Boston Marathon-themed 'City Connect' uniforms for Patriots' Day weekend
Ranking MLB's City Connect uniforms - ESPN
Red Sox notebook: Alex Cora proud of Eduardo Rodriguez for declining trade